66707037 has 8 divisors (see below), whose sum is σ = 98825280. Its totient is φ = 44471340.

The previous prime is 66707033. The next prime is 66707077. The reversal of 66707037 is 73070766.

It is not a de Polignac number, because 66707037 - 2² = 66707033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66706992 and 66707010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66707033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235289 + ... + 1235342.

It is an arithmetic number, because the mean of its divisors is an integer number (12353160).

Almost surely, 2^66707037 is an apocalyptic number.

It is an amenable number.

66707037 is a deficient number, since it is larger than the sum of its proper divisors (32118243).

66707037 is a wasteful number, since it uses less digits than its factorization.

66707037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470640 (or 2470634 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 66707037 is about 8167.4376030674. The cubic root of 66707037 is about 405.5619633635.

The spelling of 66707037 in words is "sixty-six million, seven hundred seven thousand, thirty-seven".